@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Crimson+Text:ital,wght@0,400;0,600;1,400&display=swap");*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1e3a8a;--secondary-color: #3b82f6;--accent-color: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--background: #ffffff;--background-light: #f9fafb;--background-card: #ffffff;--border-color: #e5e7eb;--border-light: #f3f4f6;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--font-family-serif: 'Crimson Text', Georgia, serif;--spacing-xs: 0.25rem;--spacing-sm: 0.5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--sidebar-width: 280px;--transition-fast: 0.15s ease;--transition-normal: 0.3s ease;--transition-slow: 0.5s ease}body{font-family:var(--font-family-sans);font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:var(--spacing-md);color:var(--text-primary)}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}a{color:var(--secondary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-color)}.layout{display:flex;min-height:100vh;position:relative}.mobile-header{display:none;background:var(--background-card);border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;right:0;z-index:1000}.mobile-header-content{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md)}.mobile-logo{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--text-primary);font-weight:600}.mobile-logo img{width:32px;height:32px;border-radius:6px}.mobile-menu-toggle{background:none;border:none;cursor:pointer;padding:var(--spacing-sm);display:flex;flex-direction:column;gap:4px}.mobile-menu-toggle span{width:24px;height:2px;background:var(--text-primary);transition:var(--transition-normal)}.mobile-nav{background:var(--background-card);border-top:1px solid var(--border-color);max-height:0;overflow:hidden;transition:max-height var(--transition-normal)}.mobile-nav.active{max-height:400px}.mobile-nav ul{list-style:none;padding:var(--spacing-md)}.mobile-nav li{margin-bottom:var(--spacing-sm)}.mobile-nav a{display:block;padding:var(--spacing-sm) 0;color:var(--text-primary);font-weight:500}.sidebar{width:var(--sidebar-width);background:linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);color:white;padding:var(--spacing-xl);position:fixed;height:100vh;overflow-y:auto;box-shadow:2px 0 10px rgba(0,0,0,0.1)}.sidebar-header{text-align:center;margin-bottom:var(--spacing-2xl);border-bottom:1px solid rgba(255,255,255,0.2);padding-bottom:var(--spacing-lg)}.logo-link{color:white;display:block}.logo{width:120px;height:120px;border-radius:18px;margin:0 auto var(--spacing-md);display:block;border:2px solid rgba(255,255,255,0.3);transition:transform var(--transition-normal)}.logo:hover{transform:scale(1.05)}.site-title{font-size:1.875rem;font-weight:700;margin-bottom:var(--spacing-sm);color:white}.site-tagline{font-size:0.875rem;color:rgba(255,255,255,0.8);line-height:1.4}.sidebar-nav ul{list-style:none;margin-bottom:var(--spacing-2xl)}.sidebar-nav li{margin-bottom:var(--spacing-xs)}.sidebar-nav a{display:block;padding:var(--spacing-sm) var(--spacing-md);color:rgba(255,255,255,0.9);border-radius:8px;transition:all var(--transition-fast);font-weight:500}.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(255,255,255,0.15);color:white;transform:translateX(4px)}.content{margin-left:var(--sidebar-width);flex:1;padding:var(--spacing-2xl);max-width:calc(100vw - var(--sidebar-width))}.hero{display:flex;align-items:center;gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl);padding:var(--spacing-2xl) 0;border-bottom:1px solid var(--border-color)}.hero-text{flex:2}.hero-media{flex:1;text-align:center}.hero-media img{max-width:200px;height:auto;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,0.1)}.site-blurb{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.search-container{position:relative;margin-bottom:var(--spacing-lg)}#search-input{width:100%;padding:var(--spacing-md) var(--spacing-lg);padding-right:50px;border:2px solid var(--border-color);border-radius:50px;font-size:1rem;transition:border-color var(--transition-fast)}#search-input:focus{outline:none;border-color:var(--secondary-color)}#search-button{position:absolute;right:var(--spacing-md);top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:1.25rem}.preprint-list{list-style:none}.preprint-list li{margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:var(--background-card);border:1px solid var(--border-color);border-radius:12px;transition:all var(--transition-fast)}.preprint-list li:hover{box-shadow:0 4px 12px rgba(0,0,0,0.1);transform:translateY(-2px)}.preprint-list a{font-size:1.125rem;font-weight:600;color:var(--text-primary);text-decoration:none}.preprint-list a:hover{color:var(--secondary-color)}.authors{color:var(--text-muted);font-size:0.875rem;margin-top:var(--spacing-xs)}.site-footer{margin-left:var(--sidebar-width);background:var(--background-light);border-top:1px solid var(--border-color);padding:var(--spacing-xl) var(--spacing-2xl);text-align:center}.footer-content{max-width:800px;margin:0 auto}.footer-content p{margin-bottom:var(--spacing-sm);color:var(--text-muted);font-size:0.875rem}@media (max-width: 768px){.sidebar{transform:translateX(-100%);transition:transform var(--transition-normal);z-index:999}.sidebar.active{transform:translateX(0)}.mobile-header{display:block}.content{margin-left:0;padding:var(--spacing-md);padding-top:calc(80px + var(--spacing-md));max-width:100vw}.site-footer{margin-left:0;padding:var(--spacing-lg) var(--spacing-md)}.hero{flex-direction:column;text-align:center;padding:var(--spacing-lg) 0;margin-bottom:var(--spacing-lg)}.hero-media img{max-width:150px}}.text-center{text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0}a:focus,button:focus,input:focus{outline:2px solid var(--secondary-color);outline-offset:2px}html{scroll-behavior:smooth}.preprint-tags{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;margin-bottom:var(--spacing-md)}.tags-section{display:flex;gap:var(--spacing-xs);flex-wrap:wrap;margin-bottom:var(--spacing-xs)}.discipline-tag,.discipline-badge{background:var(--secondary-color);color:white;padding:var(--spacing-xs) var(--spacing-sm);border-radius:15px;font-size:0.75rem;font-weight:500;text-transform:uppercase;letter-spacing:0.025em}.language-tag,.language-badge{background:var(--accent-color);color:white;padding:var(--spacing-xs) var(--spacing-sm);border-radius:15px;font-size:0.75rem;font-weight:500;text-transform:capitalize}.coming-soon-tag{background:#16a34a;color:white;padding:var(--spacing-xs) var(--spacing-sm);border-radius:15px;font-size:0.75rem;font-weight:500;text-transform:uppercase;letter-spacing:0.025em}.filter-section{display:flex;gap:var(--spacing-lg);flex-wrap:wrap;align-items:center;margin-bottom:var(--spacing-xl)}.filter-section label{font-weight:500;color:var(--text-primary);margin-right:var(--spacing-xs)}.filter-section select{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:8px;background:var(--background-card);color:var(--text-primary);font-size:0.875rem}@media (max-width: 768px){.filter-section{flex-direction:column;gap:var(--spacing-md);align-items:flex-start}.filter-section>div{display:flex;align-items:center;gap:var(--spacing-sm)}}.preprint-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:var(--spacing-xl);margin:var(--spacing-xl) 0}.preprint-card{background:var(--background-card);border:1px solid var(--border-color);border-radius:12px;padding:var(--spacing-xl);box-shadow:0 2px 4px rgba(0,0,0,0.05);transition:all var(--transition-normal);display:flex;flex-direction:column;height:100%}.preprint-card:hover{box-shadow:0 8px 25px rgba(0,0,0,0.1);transform:translateY(-2px)}.preprint-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);align-items:center}.preprint-title{margin-bottom:var(--spacing-md);flex-grow:1}.preprint-title a{color:var(--text-primary);text-decoration:none;font-weight:600}.preprint-title a:hover{color:var(--secondary-color)}.preprint-authors{color:var(--text-secondary);font-size:0.9rem;margin-bottom:var(--spacing-md);font-style:italic}.preprint-abstract{color:var(--text-secondary);font-size:0.9rem;line-height:1.5;margin-bottom:var(--spacing-lg);flex-grow:1}.preprint-actions{display:flex;gap:var(--spacing-sm);margin-top:auto;flex-wrap:wrap}.read-more,.download-pdf{padding:var(--spacing-sm) var(--spacing-md);border-radius:8px;font-size:0.875rem;font-weight:500;text-decoration:none;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:var(--spacing-xs)}.read-more{background:var(--secondary-color);color:white}.read-more:hover{background:var(--primary-color);color:white}.download-pdf{background:var(--background-light);color:var(--text-primary);border:1px solid var(--border-color)}.download-pdf:hover{background:var(--accent-color);color:white;border-color:var(--accent-color)}.preprint-card-compact{padding:var(--spacing-lg)}.preprint-card-compact .preprint-title{font-size:1.25rem;margin-bottom:var(--spacing-sm)}.preprint-card-compact .preprint-authors{margin-bottom:var(--spacing-md);font-size:0.875rem}.preprint-card-compact .preprint-actions{margin-top:var(--spacing-md)}.download-pdf-compact{padding:var(--spacing-xs) var(--spacing-sm);font-size:1rem;min-width:auto}@media (max-width: 768px){.preprint-grid{grid-template-columns:1fr;gap:var(--spacing-lg)}.preprint-card{padding:var(--spacing-lg)}.preprint-card-compact{padding:var(--spacing-md)}}@media (max-width: 480px){.preprint-meta{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.preprint-actions{flex-direction:column}}